6 Pieces SOUND-ROCKS LED BRACELET (Tm). The Louder the Noise the Brighter It'll Flash It's Lights Talk to it! It loves Noise! The LED bracelet is awaken and comes to life by flashing its rainbow LED colors. The louder the noise the brighter it'll flash it's lights. Become the center of attention of any party. A big hit in party bags! Everyone will want one for their own. Color: Clear Bracelet, LED Light Color: Rainbow, bulk bags of Six bracelets in individually sealed clear-bags with instructions. Size: M ~ fits up to 7.5" wrist, Smooth & very comfortable Uses two CR2016 replaceable batteries (included) 80 hour battery life On/Off switch to conserve batteries. It has selectable flash programs of long or short flash